package com.sky.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.result.Result;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import com.sky.utils.JwtUtil;
import com.sky.vo.UserLoginVO;
import org.apache.http.client.HttpClient;
import org.apache.http.client.utils.HttpClientUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;

    @Autowired
    WeChatProperties weChatProperties;

    @Override
    public Result login(UserLoginDTO userLoginDTO) {
        Map<String, String> map = new HashMap<>();
        map.put("appid",weChatProperties.getAppid());
        map.put("secret",weChatProperties.getSecret());
        map.put("js_code",userLoginDTO.getCode());
        map.put("grant_type","authorization_code");
        String boye = HttpClientUtil.doGet("https://api.weixin.qq.com/sns/jscode2session", map);

        Map map1 = JSONObject.parseObject(boye, Map.class);
        String openid = (String) map1.get("openid");

        if (openid==null){
            return Result.error(MessageConstant.UNKNOWN_ERROR);
        }

        //查询是否为第一次登录
        User user = userMapper.getByOpenid(openid);
        if (user==null){
            user=User.builder().openid(openid)
                            .createTime(LocalDateTime.now()).build();
            userMapper.addUser(user);
        }

        String token = JwtUtil.getToken(user.getId());
        UserLoginVO build = UserLoginVO.builder().id(user.getId())
                .openid(openid)
                .token(token).build();
        return Result.success(build);
    }
}
